Valid ICCID
- 8912345678901234562 -> valid
data validator
ICCID (SIM) Validator
Validate SIM ICCID numbers (length, 89 prefix, Luhn checksum) entirely client-side.
Results
Paste input and validate locally.- Status
- Ready when you validate.
- Details
- Ready when you validate.
- Length
- Ready when you validate.
- Prefix
- Ready when you validate.
- Checksum
- Ready when you validate.
Rules & checks
Accepts 19–20 digit ICCIDs.
Requires 89 prefix.
Runs Luhn checksum to confirm validity.
Runs entirely in your browser/offline; no data leaves the page.
When to use it
- Validate SIM ICCIDs before activation or porting
- QA bulk CSV uploads with ICCIDs
- Support teams verifying user-provided SIM numbers
Tips
- Strip spaces/dashes before validating
- Keep ICCIDs secure; avoid exposing them publicly
Examples
Wrong checksum
- 8912345678901234563 -> invalid
Wrong length
- 891234567890123 -> invalid
FAQs
- Is anything uploaded?
- No. Validation is local and clears on refresh.
- Do you check carrier/issuance?
- No. This checks format and checksum only.
Related validators
data
IMEI Validator
Validate IMEI numbers with Luhn checksum client-side.
data
GTIN/UPC/EAN Validator
Validate GTIN-8, GTIN-12 (UPC), GTIN-13 (EAN), and GTIN-14 with checksum math locally.
security
Credit Card Validator
Run a local Luhn check to confirm card number format before hitting payment APIs—no data leaves your browser.
Format/checksum only; does not verify carrier ownership or activation status.